content: /**
   * Copyright (c) 2016-present, RxJava Contributors.
   *
   * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in
   * compliance with the License. You may obtain a copy of the License at
   *
   * http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software distributed under the License is
   * distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See
   * the License for the specific language governing permissions and limitations under the License.
   */
  
  package io.reactivex.observable.internal.operators;
  
  import static org.junit.Assert.assertTrue;
  
  import java.util.concurrent.*;
  import java.util.concurrent.atomic.AtomicBoolean;
  
  import org.junit.Test;
  
  import io.reactivex.common.*;
  import io.reactivex.common.functions.Function;
  import io.reactivex.observable.*;
  import io.reactivex.observable.observers.TestObserver;
  
  public class SingleTimerTest {
  
      @Test
      public void disposed() {
          TestHelper.checkDisposed(Single.timer(1, TimeUnit.SECONDS, new TestScheduler()));
      }
  
      @Test
      public void timerInterruptible() throws Exception {
          ScheduledExecutorService exec = Executors.newSingleThreadScheduledExecutor();
          try {
              for (Scheduler s : new Scheduler[] { Schedulers.single(), Schedulers.computation(), Schedulers.newThread(), Schedulers.io(), Schedulers.from(exec) }) {
                  final AtomicBoolean interrupted = new AtomicBoolean();
                  TestObserver<Long> ts = Single.timer(1, TimeUnit.MILLISECONDS, s)
                  .map(new Function<Long, Long>() {
                      @Override
                      public Long apply(Long v) throws Exception {
                          try {
                          Thread.sleep(3000);
                          } catch (InterruptedException ex) {
                              interrupted.set(true);
                          }
                          return v;
                      }
                  })
                  .test();
  
                  Thread.sleep(500);
  
                  ts.cancel();
  
                  Thread.sleep(500);
  
                  assertTrue(s.getClass().getSimpleName(), interrupted.get());
              }
          } finally {
              exec.shutdown();
          }
      }
  
  }
  